Bead breaker and tire removal and replacement device

Claim 2

A bead breaker and tire removal and replacement assembly comprising in combination a supporting framework, a source of fluid pressure associated with said framework, a wheel supporting component on said framework, means to detachably secure the associated wheel to said component for selective rotation of said wheel, an upper bead breaking assembly on said framework operatively connected to said source of fluid pressure, a lower bead breaking assembly on said framework also operatively connected to said source of fluid pressure and means on said framework selectively engageable by a tire removal and tire replacing tool for removing the associated tire from the wheel and replacing the associated tire upon said wheel respectively, said means to detachably secure the associated wheel to said component including a central non-rotatable standard, a table selectively rotatable, said standard passing freely through said table, a cone assembly engageable over said standard and selectively lockable thereto against upward movement, said cone assembly engaging said wheel centrally in the hub area thereof, selectively operable means on said framework for moving said standard and hence said cone assembly into clamping engagement with said wheel, and means on said table frictionally engageable with the rim of the associated wheel for rotating said wheel when said table rotates, said last mentioned means including a plurality of rim engaging luge concentrically mounted on said table, means to vary the effective diameter of said lugs within limits and means to rock said lugs into gripping engagement with said rim when said table is rotated.

Claim 3

The device according to claim 1 in which said last mentioned means includes a mounting plate for each of said lugs on the underside of said table, slots in said table, bolt means extending through said slots securing said mounting plate to said lug, a friction clamp sleeve surrounding said standard and a pair of links extending from said friction sleeve for each lug, one upon each side of said bolt means, and means to adjust the frictional engagement of said friction clamp sleeve upon said standard whereby rotation of said table initiates rocking action of said lugs thereby forcing same into contact with saiD rim.

Claim 4

The device according to claim 1 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 5

The device according to claim 2 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 6

A bead braker and tire removal and replacement assembly comprising in combination a supporting framework, a source of fluid pressure associated with said framework, a wheel supporting component on said framework, means to detachably secure the associated wheel to said component for selective rotation of said wheel, an upper bead breaking assembly on said framework operatively connected to said source of fluid pressure, a lower bead breaking assembly on said framework also operatively connected to said source of fluid pressure and means on said framework selectively engageable by a tire removal and tire replacing tool for removing the associated tire from the wheel and replacing the associated tire upon said wheel respectively, said upper bead breaking assembly including a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 7

A bead braker and tire removal and replacement assembly comprising in combination a supporting framework, a source of fluid pressure associated with said framework, a wheel supporting component on said framework, means to detachably secure the associated wheel to said component for selective rotation of said wheel, an upper bead breaking assembly on said framework operatively connected to said source of fluid pressure, a lower bead breaking assembly on said framework also operatively connected to said source of fluid pressure and means on said framework selectively engageable by a tire removal and tire replacing tool for removing the associated tire from the wheel and replacing the associated tire upon said wheel respectively, said upper bead breaking assembly including a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 8

The device according to claim 5 in which said means to detachably secure the associated wheel to said component includes a central non-rotatable standard, a table selectively rotatable, said standard passing freely through said table, a cone assembly engageable over said standard and selectively lockable thereto against upward movement, said cone assembly engaging said wheel centrally in the hub area thereof, selectively operable means on said framework for moving said standard and hence said cone assembly into clamping engagement with said wheel, and means on said table frictionally engageable with the rim of the associated wheel for rotating said wheel when said table rotates.

Claim 9

The device according to claim 6 in which said last mentioned means includes a plurality of rim engaging lugs concentrically mounted on said table, means to vary the effective diameter of said lugs within limits and means to rock said lugs into gripping engagement with said rim when said table is rotated.

Claim 10

The device according to claim 7 in which said last mentioned means includes a mounting plate for each of said lugs on the underside of said table, slots in said table, bolt means extending through said slots securing said mounting plate to said lug, a friction clamp sleeve surrounding said standard and a pair of links extending from said friction sleeve for each lug, one upon each side of said bolt means, and means to adjust The frictional engagement of said friction clamp sleeve upon said standard whereby rotation of said table initiates rocking action of said lugs thereby forcing same into contact with said rim.

Claim 11

The device according to claim 7 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 12

The device according to claim 8 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 13

The device according to claim 5 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 14

The device according to claim 6 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 15

The device according to claim 7 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 16

The device according to claim 8 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical moveMent of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 17

The device according to claim 9 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 18

The device according to claim 10 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 19

A bead breaker and tire removal and replacement assembly comprising in combination a supporting framework, a source of fluid pressure associated with said framework, a wheel supporting component on said framework, means to detachably secure the associated wheel to said component for selective rotation of said wheel, an upper bead breaking assembly on said framework operatively connected to said source of fluid pressure, a lower bead breaking assembly on said framework also operatively connected to said source of fluid pressure and means on said framework selectively engageable by a tire removal and tire replacing tool for removing the associated tire from the wheel and replacing the associated tire upon said wheel respectively, said lower bead breaking assembly including an actuating member within said framework, said member including a vertical portion and a horizontal portion, piston and cylinder means extending diagonally between the junction of said portions and said framework, and being operatively connected to said fluid pressure means, a lower bead breaking plate pivotally mounted to the upper end of said vertical portion, and means on said framework cooperating between the distal end of said horizontal portion whereby operation of said piston and cylinder means in one direction initiates substantial vertical movement of said bead breaking plate to clear said table, then inward movement of said bead breaking plate to engage the bead to be broken and then further vertical movement of said bead breaking plate to break said bead, said last two movements being dependent upon the resistance between said bead and said rim, said last mentioned means including tension spring means extending between said distal end of said horizontal portion and said framework normally biassing said end upwardly, and adjustable compression spring means on said framework engageable by said distal end of said horizontal portion after said first vertical movement thereby restricting said vertical movement of said distal end thus causing said actuating member to pivot around the connection of said member to said piston and cylinder means.

Claim 20

A bead breaker and tire removal and replacement assembly comprising in combination a supporting framework, a source of fluid pressure associated with said framework, a wheel supporting component on said framework, means to detachably secure the associated wheel to said component for selective rotation of said wheel, an upper bead breaking assembly on said framework operatively connected to said source of fluid pressure, a lower bead breaking assembly on said framework also operatively connected to said source of fluid pressure and means on said framework selectively engageable by a tire removal and tire replacing tool for removing the associated tire from the wheel and replacing the associated tire upon said wheel respectively, said lower bead breaking assembly including an actuating member within said framework, said member including a vertical portion and a horizontal portion, piston and cylinder means extending diagonally between the junction of said portions and said framework, and being operatively connected to said fluid pressure means, a lower bead breaking plate pivotally mounted to the upper end of said vertical portion, and means on said framework cooperating between the distal end of said horizontal portion whereby operation of said piston and cylinder means in one direction initiates substantial vertical movement of said bead breaking plate to clear said table, then inward movement of said bead breaking plate to engage the bead to be broken and then further vertical movement of said bead breaking plate to break said bead, said last two movements being dependent upon the resistance between said bead and said rim, said last mentioned means including tension spring means extending between said distal end of said horizontal portion and said framework normally biassing said end upwardly, and adjustable compression spring means on said framework engageable by said distal end of said horizontal portion after said first vertical movement thereby restricting said vertical movement of said distal end thus causing said actuating member to pivot around the connection of said member to said piston and cylinder means.

Claim 21

The device according to claim 17 in which said means to detachably secure the associated wheel to said component includes a central non-rotatable standard, a table selectively rotatable, said standard passing freelY through said table, a cone assembly engageable over said standard and selectively lockable thereto against upward movement, said cone assembly engaging said wheel centrally in the hub area thereof, selectively operable means on said framework for moving said standard and hence said cone assembly into clamping engagement with said wheel, and means on said table frictionally engageable with the rim of the associated wheel for rotating said wheel when said table rotates.

Claim 22

The device according to claim 18 in which said last mentioned means includes a plurality of rim engaging lugs concentrically mounted on said table, means to vary the effective diameter of said lugs within limits and means to rock said lugs into gripping engagement with said rim when said table is rotated.

Claim 23

The device according to claim 19 in which said last mentioned means includes a mounting plate for each of said lugs on the underside of said table, slots in said table, bolt means extending through said slots securing said mounting plate to said lug, a friction clamp sleeve surrounding said standard and a pair of links extending from said friction sleeve for each lug, one upon each side of said bolt means, and means to adjust the frictional engagement of said friction clamp sleeve upon said standard whereby rotation of said table initiates rocking action of said lugs thereby forcing same into contact with said rim.

Claim 24

The device according to claim 19 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 25

The device according to claim 20 in which said means to vary the effective diameter of said lugs within limits includes spring means normally biassing said lugs to the innermost position, a star component freely engaging said standard upon the upperside of said table, and a ratchet portion extending from said star component for each of said rim engaging lugs, the inner ends of said rim engaging lugs engaging said ratchet portion, rotation of said star component manually forcing said lugs radially outwardly against pressure of said spring means.

Claim 26

The device according to claim 17 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 27

The device according to claim 18 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm anD said spoon.

Claim 28

The device according to claim 19 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 29

The device according to claim 20 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 30

The device according to claim 21 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 31

The device according to claim 22 in which said upper bead breaking assembly includes a piston and cylinder assembly, said piston being stationary in said cylinder moving vertically relative to said piston, said piston and cylinder assembly being operatively connected to said source of fluid pressure, an upper bead breaking carrying arm adjustably mounted for horizontal movement within limits, to the upper end of said cylinder, an upper bead breaking spoon pivotally mounted to the inner end of said carrying arm, means to selectively lock said spoon relative to said carrying arm, and means on said framework co-acting with said piston and cylinder assembly whereby upward and downward movement of said cylinder initiates outward and inward swinging of said carrying arm and said spoon.

Claim 32

The device according to claim 23 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same,vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 33

The device according to claim 24 in which said last mentioned means includes an adjustable friction Sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 34

The device according to claim 25 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 35

The device according to claim 26 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 36

The device according to claim 27 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.

Claim 37

The device according to claim 28 in which said last mentioned means includes an adjustable friction sleeve surrounding the lower end of said cylinder, a curved plate having an arcuate slot formed therein, means on said sleeve engaging said slot, means mounting said curved plate within said framework, for limited vertical movement therein, and adjustable means co-acting between said curved plate and said means mounting same for adjusting the frictional resistance between said plate and said means mounting same, vertical movement of said cylinder rotating same through the length of said arcuately curved slot, said friction sleeve also acting as overload clutch means between rotation of said cylinder and said arcuate slot.